M4 x 40mm Socket Head Cap Screw, GR-12.9

Delivering high strength and durability, these socket head cap screws are ideal for a wide range of fastening tasks. Suitable for use in high-temperature environments, they're ideal for high tensile applications and achieve higher torque. Constructed from a Class 12.9 steel.

Features and Benefits
• Resists cam-out for a more efficient screw
• Suitable for use with power drivers and a hex wrench
• 300°C maximum operating temperature (unplated)
• Deep head for optimum loadability

Standards
• EN ISO 4762

Notes
• Oiled finish (black) - Provides some shelf life but no corrosion protection in use